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<div class="refentry" title="IpatchItem">
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<h2><span class="refentrytitle"><a name="IpatchItem.top_of_page"></a>IpatchItem</span></h2>
<p>IpatchItem — Abstract base item object</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1" title="Stability Level">
<a name="IpatchItem.stability-level"></a><h2>Stability Level</h2>
Stable, unless otherwise indicated
</div>
<div class="refsynopsisdiv" title="Synopsis">
<a name="IpatchItem.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * (<a
href="../libinstpatch/IpatchItem.html#IpatchItemCopyLinkFunc"
>*IpatchItemCopyLinkFunc</a>) (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *link,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);
<a
href="../libinstpatch/IpatchItem.html#IpatchItem-struct"
>IpatchItem</a>;
enum <a
href="../libinstpatch/IpatchItem.html#IpatchItemFlags"
>IpatchItemFlags</a>;
#define <a
href="../libinstpatch/IpatchItem.html#IPATCH-ITEM-UNUSED-FLAG-SHIFT--CAPS"
>IPATCH_ITEM_UNUSED_FLAG_SHIFT</a>
#define <a
href="../libinstpatch/IpatchItem.html#IPATCH-ITEM-WLOCK--CAPS"
>IPATCH_ITEM_WLOCK</a> (item)
#define <a
href="../libinstpatch/IpatchItem.html#IPATCH-ITEM-WUNLOCK--CAPS"
>IPATCH_ITEM_WUNLOCK</a> (item)
#define <a
href="../libinstpatch/IpatchItem.html#IPATCH-ITEM-RLOCK--CAPS"
>IPATCH_ITEM_RLOCK</a> (item)
#define <a
href="../libinstpatch/IpatchItem.html#IPATCH-ITEM-RUNLOCK--CAPS"
>IPATCH_ITEM_RUNLOCK</a> (item)
#define <a
href="../libinstpatch/IpatchItem.html#IPATCH-ITEM-PROP-NOTIFY-SET-EVENT--CAPS"
>IPATCH_ITEM_PROP_NOTIFY_SET_EVENT</a> (info, index, data, destroy)
void (<a
href="../libinstpatch/IpatchItem.html#IpatchItemPropCallback"
>*IpatchItemPropCallback</a>) (IpatchItemPropNotify *notify);
void (<a
href="../libinstpatch/IpatchItem.html#IpatchItemPropDisconnect"
>*IpatchItemPropDisconnect</a>) (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-GParamSpec.html#GParamSpec"
>GParamSpec</a> *pspec,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);
#define <a
href="../libinstpatch/IpatchItem.html#IPATCH-ITEM-COPY-LINK-FUNC--CAPS"
>IPATCH_ITEM_COPY_LINK_FUNC</a> (item, link, func, userdata)
extern GParamSpec *<a
href="../libinstpatch/IpatchItem.html#ipatch-item-pspec-title"
>ipatch_item_pspec_title</a>;
void <a
href="../libinstpatch/IpatchItem.html#ipatch-item-set-parent"
>ipatch_item_set_parent</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *parent);
void <a
href="../libinstpatch/IpatchItem.html#ipatch-item-unparent"
>ipatch_item_unparent</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * <a
href="../libinstpatch/IpatchItem.html#ipatch-item-get-parent"
>ipatch_item_get_parent</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * <a
href="../libinstpatch/IpatchItem.html#ipatch-item-peek-parent"
>ipatch_item_peek_parent</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * <a
href="../libinstpatch/IpatchItem.html#ipatch-item-get-base"
>ipatch_item_get_base</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * <a
href="../libinstpatch/IpatchItem.html#ipatch-item-peek-base"
>ipatch_item_peek_base</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * <a
href="../libinstpatch/IpatchItem.html#ipatch-item-get-ancestor-by-type"
>ipatch_item_get_ancestor_by_type</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GType"
>GType</a> ancestor_type);
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * <a
href="../libinstpatch/IpatchItem.html#ipatch-item-peek-ancestor-by-type"
>ipatch_item_peek_ancestor_by_type</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GType"
>GType</a> ancestor_type);
void <a
href="../libinstpatch/IpatchItem.html#ipatch-item-remove"
>ipatch_item_remove</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);
void <a
href="../libinstpatch/IpatchItem.html#ipatch-item-changed"
>ipatch_item_changed</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);
void <a
href="../libinstpatch/IpatchItem.html#ipatch-item-get-property-fast"
>ipatch_item_get_property_fast</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-GParamSpec.html#GParamSpec"
>GParamSpec</a> *pspec,
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Generic-values.html#GValue"
>GValue</a> *value);
void <a
href="../libinstpatch/IpatchItem.html#ipatch-item-copy"
>ipatch_item_copy</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *dest,
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *src);
void <a
href="../libinstpatch/IpatchItem.html#ipatch-item-copy-link-func"
>ipatch_item_copy_link_func</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *dest,
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *src,
<a
href="../libinstpatch/IpatchItem.html#IpatchItemCopyLinkFunc"
>IpatchItemCopyLinkFunc</a> link_func,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);
void <a
href="../libinstpatch/IpatchItem.html#ipatch-item-copy-replace"
>ipatch_item_copy_replace</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *dest,
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *src,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Hash-Tables.html#GHashTable"
>GHashTable</a> *repl_hash);
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * <a
href="../libinstpatch/IpatchItem.html#ipatch-item-duplicate"
>ipatch_item_duplicate</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * <a
href="../libinstpatch/IpatchItem.html#ipatch-item-duplicate-link-func"
>ipatch_item_duplicate_link_func</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="../libinstpatch/IpatchItem.html#IpatchItemCopyLinkFunc"
>IpatchItemCopyLinkFunc</a> link_func,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * <a
href="../libinstpatch/IpatchItem.html#ipatch-item-duplicate-replace"
>ipatch_item_duplicate_replace</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Hash-Tables.html#GHashTable"
>GHashTable</a> *repl_hash);
<a
href="../libinstpatch/IpatchList.html"
>IpatchList</a> * <a
href="../libinstpatch/IpatchItem.html#ipatch-item-duplicate-deep"
>ipatch_item_duplicate_deep</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * <a
href="../libinstpatch/IpatchItem.html#ipatch-item-copy-link-func-deep"
>ipatch_item_copy_link_func_deep</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *link,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * <a
href="../libinstpatch/IpatchItem.html#ipatch-item-copy-link-func-hash"
>ipatch_item_copy_link_func_hash</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *link,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> <a
href="../libinstpatch/IpatchItem.html#ipatch-item-type-can-conflict"
>ipatch_item_type_can_conflict</a> (<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GType"
>GType</a> item_type);
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-GParamSpec.html#GParamSpec"
>GParamSpec</a> ** <a
href="../libinstpatch/IpatchItem.html#ipatch-item-type-get-unique-specs"
>ipatch_item_type_get_unique_specs</a> (<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GType"
>GType</a> item_type,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint32"
>guint32</a> *groups);
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Value-arrays.html#GValueArray"
>GValueArray</a> * <a
href="../libinstpatch/IpatchItem.html#ipatch-item-get-unique-props"
>ipatch_item_get_unique_props</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> <a
href="../libinstpatch/IpatchItem.html#ipatch-item-test-conflict"
>ipatch_item_test_conflict</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item1,
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item2);
void <a
href="../libinstpatch/IpatchItem.html#ipatch-item-set-atomic"
>ipatch_item_set_atomic</a> (<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> item,
const char *first_property_name,
...);
void <a
href="../libinstpatch/IpatchItem.html#ipatch-item-get-atomic"
>ipatch_item_get_atomic</a> (<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> item,
const char *first_property_name,
...);
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * <a
href="../libinstpatch/IpatchItem.html#ipatch-item-first"
>ipatch_item_first</a> (<a
href="../libinstpatch/libinstpatch-IpatchIter.html#IpatchIter"
>IpatchIter</a> *iter);
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * <a
href="../libinstpatch/IpatchItem.html#ipatch-item-next"
>ipatch_item_next</a> (<a
href="../libinstpatch/libinstpatch-IpatchIter.html#IpatchIter"
>IpatchIter</a> *iter);
void <a
href="../libinstpatch/IpatchItem.html#ipatch-item-prop-notify"
>ipatch_item_prop_notify</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-GParamSpec.html#GParamSpec"
>GParamSpec</a> *pspec,
const <a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Generic-values.html#GValue"
>GValue</a> *new_value,
const <a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Generic-values.html#GValue"
>GValue</a> *old_value);
void <a
href="../libinstpatch/IpatchItem.html#ipatch-item-prop-notify-by-name"
>ipatch_item_prop_notify_by_name</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
const char *prop_name,
const <a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Generic-values.html#GValue"
>GValue</a> *new_value,
const <a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Generic-values.html#GValue"
>GValue</a> *old_value);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> <a
href="../libinstpatch/IpatchItem.html#ipatch-item-prop-connect"
>ipatch_item_prop_connect</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-GParamSpec.html#GParamSpec"
>GParamSpec</a> *pspec,
<a
href="../libinstpatch/IpatchItem.html#IpatchItemPropCallback"
>IpatchItemPropCallback</a> callback,
<a
href="../libinstpatch/IpatchItem.html#IpatchItemPropDisconnect"
>IpatchItemPropDisconnect</a> disconnect,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> <a
href="../libinstpatch/IpatchItem.html#ipatch-item-prop-connect-by-name"
>ipatch_item_prop_connect_by_name</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
const char *prop_name,
<a
href="../libinstpatch/IpatchItem.html#IpatchItemPropCallback"
>IpatchItemPropCallback</a> callback,
<a
href="../libinstpatch/IpatchItem.html#IpatchItemPropDisconnect"
>IpatchItemPropDisconnect</a> disconnect,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);
void <a
href="../libinstpatch/IpatchItem.html#ipatch-item-prop-disconnect"
>ipatch_item_prop_disconnect</a> (<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> handler_id);
void <a
href="../libinstpatch/IpatchItem.html#ipatch-item-prop-disconnect-matched"
>ipatch_item_prop_disconnect_matched</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-GParamSpec.html#GParamSpec"
>GParamSpec</a> *pspec,
<a
href="../libinstpatch/IpatchItem.html#IpatchItemPropCallback"
>IpatchItemPropCallback</a> callback,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);
void <a
href="../libinstpatch/IpatchItem.html#ipatch-item-prop-disconnect-by-name"
>ipatch_item_prop_disconnect_by_name</a> (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
const char *prop_name,
<a
href="../libinstpatch/IpatchItem.html#IpatchItemPropCallback"
>IpatchItemPropCallback</a> callback,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);
</pre>
</div>
<div class="refsect1" title="Object Hierarchy">
<a name="IpatchItem.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject"
>GObject</a>
+----IpatchItem
+----<a
href="../libinstpatch/IpatchContainer.html"
>IpatchContainer</a>
+----<a
href="../libinstpatch/IpatchFile.html"
>IpatchFile</a>
+----<a
href="../libinstpatch/IpatchDLS2Sample.html"
>IpatchDLS2Sample</a>
+----<a
href="../libinstpatch/IpatchVirtualContainer.html"
>IpatchVirtualContainer</a>
+----<a
href="../libinstpatch/IpatchDLS2Region.html"
>IpatchDLS2Region</a>
+----<a
href="../libinstpatch/IpatchSampleData.html"
>IpatchSampleData</a>
+----<a
href="../libinstpatch/IpatchGigDimension.html"
>IpatchGigDimension</a>
+----<a
href="../libinstpatch/IpatchGigSubRegion.html"
>IpatchGigSubRegion</a>
+----<a
href="../libinstpatch/IpatchSampleStore.html"
>IpatchSampleStore</a>
+----<a
href="../libinstpatch/IpatchSF2Sample.html"
>IpatchSF2Sample</a>
+----<a
href="../libinstpatch/IpatchSF2Zone.html"
>IpatchSF2Zone</a>
+----<a
href="../libinstpatch/IpatchVBankRegion.html"
>IpatchVBankRegion</a>
</pre>
</div>
<div class="refsect1" title="Known Derived Interfaces">
<a name="IpatchItem.derived-interfaces"></a><h2>Known Derived Interfaces</h2>
<p>
IpatchItem is required by
<a
href="../libinstpatch/libinstpatch-IpatchSF2ModItem.html#IpatchSF2ModItemIface"
>IpatchSF2ModItemIface</a>, <a
href="../libinstpatch/IpatchSample.html"
>IpatchSample</a> and <a
href="../libinstpatch/libinstpatch-IpatchSF2GenItem.html#IpatchSF2GenItemIface"
>IpatchSF2GenItemIface</a>.</p>
</div>
<div class="refsect1" title="Properties">
<a name="IpatchItem.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a
href="../libinstpatch/IpatchItem.html#IpatchItem--base"
>base</a>" <a
href="../libinstpatch/IpatchBase.html"
>IpatchBase</a>* : Read
"<a
href="../libinstpatch/IpatchItem.html#IpatchItem--flags"
>flags</a>" <a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> : Read / Write
"<a
href="../libinstpatch/IpatchItem.html#IpatchItem--parent"
>parent</a>" <a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a>* : Read / Write
"<a
href="../libinstpatch/IpatchItem.html#IpatchItem--title"
>title</a>" <a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"
>gchar</a>* : Read
</pre>
</div>
<div class="refsect1" title="Description">
<a name="IpatchItem.description"></a><h2>Description</h2>
<p>
The abstract base item type from which all instrument objects are derived
and many other object types as well.</p>
</div>
<div class="refsect1" title="Details">
<a name="IpatchItem.details"></a><h2>Details</h2>
<div class="refsect2" title="IpatchItemCopyLinkFunc ()">
<a name="IpatchItemCopyLinkFunc"></a><h3>IpatchItemCopyLinkFunc ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * (*IpatchItemCopyLinkFunc) (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *link,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);</pre>
<p>
A callback function called during item copy/duplicate operations for
any item link reference which needs to be resolved. An example usage
is for deep duplicating an object (all references can also be duplicated).
Item copy methods should call this for any linked item references which are
not part of the new object.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item which is being linked (contains a reference to <em class="parameter"><code>link</code></em>).
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>link</code></em> :</span></p></td>
<td> The item being referenced (can be NULL).
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td> User data supplied to copy/duplicate function.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> Pointer to item to use for link property (can be the <em class="parameter"><code>link</code></em> item
if the duplicated/copied item is local to the same file).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="IpatchItem">
<a name="IpatchItem-struct"></a><h3>IpatchItem</h3>
<pre class="programlisting">typedef struct _IpatchItem IpatchItem;</pre>
</div>
<hr>
<div class="refsect2" title="enum IpatchItemFlags">
<a name="IpatchItemFlags"></a><h3>enum IpatchItemFlags</h3>
<pre class="programlisting">typedef enum
{
IPATCH_ITEM_HOOKS_ACTIVE = 1 << 0, /* hook callbacks active? */
IPATCH_ITEM_FREE_MUTEX = 1 << 1 /* TRUE if item should free its mutex */
} IpatchItemFlags;
</pre>
</div>
<hr>
<div class="refsect2" title="IPATCH_ITEM_UNUSED_FLAG_SHIFT">
<a name="IPATCH-ITEM-UNUSED-FLAG-SHIFT--CAPS"></a><h3>IPATCH_ITEM_UNUSED_FLAG_SHIFT</h3>
<pre class="programlisting">#define IPATCH_ITEM_UNUSED_FLAG_SHIFT 4
</pre>
</div>
<hr>
<div class="refsect2" title="IPATCH_ITEM_WLOCK()">
<a name="IPATCH-ITEM-WLOCK--CAPS"></a><h3>IPATCH_ITEM_WLOCK()</h3>
<pre class="programlisting">#define IPATCH_ITEM_WLOCK(item)</pre>
</div>
<hr>
<div class="refsect2" title="IPATCH_ITEM_WUNLOCK()">
<a name="IPATCH-ITEM-WUNLOCK--CAPS"></a><h3>IPATCH_ITEM_WUNLOCK()</h3>
<pre class="programlisting">#define IPATCH_ITEM_WUNLOCK(item)</pre>
</div>
<hr>
<div class="refsect2" title="IPATCH_ITEM_RLOCK()">
<a name="IPATCH-ITEM-RLOCK--CAPS"></a><h3>IPATCH_ITEM_RLOCK()</h3>
<pre class="programlisting">#define IPATCH_ITEM_RLOCK(item) IPATCH_ITEM_WLOCK(item)
</pre>
</div>
<hr>
<div class="refsect2" title="IPATCH_ITEM_RUNLOCK()">
<a name="IPATCH-ITEM-RUNLOCK--CAPS"></a><h3>IPATCH_ITEM_RUNLOCK()</h3>
<pre class="programlisting">#define IPATCH_ITEM_RUNLOCK(item) IPATCH_ITEM_WUNLOCK(item)
</pre>
</div>
<hr>
<div class="refsect2" title="IPATCH_ITEM_PROP_NOTIFY_SET_EVENT()">
<a name="IPATCH-ITEM-PROP-NOTIFY-SET-EVENT--CAPS"></a><h3>IPATCH_ITEM_PROP_NOTIFY_SET_EVENT()</h3>
<pre class="programlisting">#define IPATCH_ITEM_PROP_NOTIFY_SET_EVENT(info, index, data, destroy)</pre>
<p>
A macro for assigning per event pointers to <span class="type">IpatchItemPropNotify</span>.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>info</code></em> :</span></p></td>
<td> IpatchItemPropNotify pointer
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>index</code></em> :</span></p></td>
<td> Pointer index (0-3)
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td> Data to assign to pointer field
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>destroy</code></em> :</span></p></td>
<td> Callback function to cleanup <em class="parameter"><code>data</code></em> when done (or <code class="literal">NULL</code>)
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="IpatchItemPropCallback ()">
<a name="IpatchItemPropCallback"></a><h3>IpatchItemPropCallback ()</h3>
<pre class="programlisting">void (*IpatchItemPropCallback) (IpatchItemPropNotify *notify);</pre>
<p>
IpatchItem property change callback function prototype.</p>
</div>
<hr>
<div class="refsect2" title="IpatchItemPropDisconnect ()">
<a name="IpatchItemPropDisconnect"></a><h3>IpatchItemPropDisconnect ()</h3>
<pre class="programlisting">void (*IpatchItemPropDisconnect) (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-GParamSpec.html#GParamSpec"
>GParamSpec</a> *pspec,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);</pre>
<p>
Function prototype which gets called when a property notify callback gets
disconnected.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item of prop change match criteria
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pspec</code></em> :</span></p></td>
<td> Parameter spec of prop change match criteria
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td> User defined pointer from when callback was added
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="IPATCH_ITEM_COPY_LINK_FUNC()">
<a name="IPATCH-ITEM-COPY-LINK-FUNC--CAPS"></a><h3>IPATCH_ITEM_COPY_LINK_FUNC()</h3>
<pre class="programlisting">#define IPATCH_ITEM_COPY_LINK_FUNC(item, link, func, userdata)</pre>
</div>
<hr>
<div class="refsect2" title="ipatch_item_pspec_title">
<a name="ipatch-item-pspec-title"></a><h3>ipatch_item_pspec_title</h3>
<pre class="programlisting">extern GParamSpec *ipatch_item_pspec_title;
</pre>
</div>
<hr>
<div class="refsect2" title="ipatch_item_set_parent ()">
<a name="ipatch-item-set-parent"></a><h3>ipatch_item_set_parent ()</h3>
<pre class="programlisting">void ipatch_item_set_parent (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *parent);</pre>
<p>
Usually only used by <a
href="../libinstpatch/IpatchItem.html"
><span class="type">IpatchItem</span></a> type implementations. Sets the
parent of a patch item. Also recursively sets base parent and
<span class="type">IPATCH_ITEM_HOOKS_ACTIVE</span> flag if set in <em class="parameter"><code>parent</code></em>. Also assigns the item's
thread mutex to that of the parent if its class has mutex_slave set.
The <em class="parameter"><code>parent</code></em> container is responsible for adding a reference to <em class="parameter"><code>item</code></em> - this
function does not do so.
</p>
<p>
NOTE: If the <em class="parameter"><code>item</code></em> has mutex_slave set in its class then the item will use
<em class="parameter"><code>parent</code></em> object's mutex. During the call to this function <em class="parameter"><code>item</code></em> should not
be accessed by any other threads, otherwise problems may occur when the
mutex is changed. Normally this shouldn't be much of an issue, since new
item's are often only accessed by 1 thread until being parented.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item to set parent of (should not have a parent).
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>parent</code></em> :</span></p></td>
<td> New parent of item.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_unparent ()">
<a name="ipatch-item-unparent"></a><h3>ipatch_item_unparent ()</h3>
<pre class="programlisting">void ipatch_item_unparent (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);</pre>
<p>
Usually only used by <a
href="../libinstpatch/IpatchItem.html"
><span class="type">IpatchItem</span></a> type implementations. Unparent an
item. Also recursively unsets base parent and
<span class="type">IPATCH_ITEM_HOOKS_ACTIVE</span> flag. Parent container object is
responsible for removing reference of <em class="parameter"><code>item</code></em> - this function does
not do so.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item to unparent
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_get_parent ()">
<a name="ipatch-item-get-parent"></a><h3>ipatch_item_get_parent ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * ipatch_item_get_parent (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);</pre>
<p>
Gets the parent of <em class="parameter"><code>item</code></em> after incrementing its reference count. The
caller is responsible for decrementing the reference count with
g_object_unref when finished with it. This function is useful because
all code paths must contain references to the items that they are working
with in a multi-thread environment (there is no guarantee an item won't
be destroyed unless a refcount is held).</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item to get parent of
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The parent of <em class="parameter"><code>item</code></em> or <code class="literal">NULL</code> if not parented or a root item. If
not <code class="literal">NULL</code> then the reference count of parent has been incremented and the
caller is responsible for removing it when finished with parent.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_peek_parent ()">
<a name="ipatch-item-peek-parent"></a><h3>ipatch_item_peek_parent ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * ipatch_item_peek_parent (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);</pre>
<p>
This function is the same as <a
href="../libinstpatch/IpatchItem.html#ipatch-item-get-parent"
><code class="function">ipatch_item_get_parent()</code></a> (gets an
item's parent) but does not increment the parent's ref
count. Therefore this function should only be used when the caller
already holds a reference or when only the value of the pointer
will be used (not the contents), to avoid multi-thread problems.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item to get the parent of
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The parent of <em class="parameter"><code>item</code></em> or <code class="literal">NULL</code> if not parented or a root item.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_get_base ()">
<a name="ipatch-item-get-base"></a><h3>ipatch_item_get_base ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * ipatch_item_get_base (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);</pre>
<p>
Gets the base parent of <em class="parameter"><code>item</code></em> (toplevel patch file object) after
incrementing its reference count. The caller is responsible for
decrementing the reference count with g_object_unref when finished
with it. If <em class="parameter"><code>item</code></em> is itself a <a
href="../libinstpatch/IpatchBase.html"
><span class="type">IpatchBase</span></a> object then it is returned.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item to get base parent of
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The base parent of <em class="parameter"><code>item</code></em> or <code class="literal">NULL</code> if no <a
href="../libinstpatch/IpatchBase.html"
><span class="type">IpatchBase</span></a> type
in parent ancestry. If not <code class="literal">NULL</code> then the reference count of
parent has been incremented and the caller is responsible for
removing it when finished with the base parent.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_peek_base ()">
<a name="ipatch-item-peek-base"></a><h3>ipatch_item_peek_base ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * ipatch_item_peek_base (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);</pre>
<p>
This function is the same as <a
href="../libinstpatch/IpatchItem.html#ipatch-item-get-base"
><code class="function">ipatch_item_get_base()</code></a> (gets an
item's toplevel base parent) but does not increment the parent's ref
count. Therefore this function should only be used when the caller
already holds a reference or when only the value of the pointer
will be used (not the contents), to avoid multi-thread problems.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item to get the base parent of
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The base parent of <em class="parameter"><code>item</code></em> or <code class="literal">NULL</code> if no <a
href="../libinstpatch/IpatchBase.html"
><span class="type">IpatchBase</span></a> type
in parent ancestry.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_get_ancestor_by_type ()">
<a name="ipatch-item-get-ancestor-by-type"></a><h3>ipatch_item_get_ancestor_by_type ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * ipatch_item_get_ancestor_by_type (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GType"
>GType</a> ancestor_type);</pre>
<p>
Searches for the first parent item that is derived from
<em class="parameter"><code>ancestor_type</code></em> in the <em class="parameter"><code>item</code></em> object's ancestry. <em class="parameter"><code>ancestor_type</code></em> must
be an <a
href="../libinstpatch/IpatchItem.html"
><span class="type">IpatchItem</span></a> derived type (as well as the ancestry of
<em class="parameter"><code>item</code></em>). Of note is that <em class="parameter"><code>item</code></em> can also match. The returned item's
reference count has been incremented and it is the responsiblity of
the caller to remove it with <a
href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#g-object-unref"
><code class="function">g_object_unref()</code></a> when finished with
it.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item to search for parent of a given type
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>ancestor_type</code></em> :</span></p></td>
<td> Type of parent in the <em class="parameter"><code>item</code></em> object's ancestry
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The matched item (can be the <em class="parameter"><code>item</code></em> itself) or <code class="literal">NULL</code> if no
item matches <em class="parameter"><code>ancestor_type</code></em> in the ancestry. Remember to unref the
matched item when done with it.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_peek_ancestor_by_type ()">
<a name="ipatch-item-peek-ancestor-by-type"></a><h3>ipatch_item_peek_ancestor_by_type ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * ipatch_item_peek_ancestor_by_type (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GType"
>GType</a> ancestor_type);</pre>
<p>
Just like <a
href="../libinstpatch/IpatchItem.html#ipatch-item-get-ancestor-by-type"
><code class="function">ipatch_item_get_ancestor_by_type()</code></a> but doesn't ref returned item.
This should only be used when caller already owns a reference or only the
pointer value is of importance, since otherwise there is a potential
multi-thread race condition.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item to search for parent of a given type
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>ancestor_type</code></em> :</span></p></td>
<td> Type of parent in the <em class="parameter"><code>item</code></em> object's ancestry
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The matched item (can be the <em class="parameter"><code>item</code></em> itself) or <code class="literal">NULL</code> if no
item matches <em class="parameter"><code>ancestor_type</code></em> in the ancestry. Remember that the returned
item is not referenced.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_remove ()">
<a name="ipatch-item-remove"></a><h3>ipatch_item_remove ()</h3>
<pre class="programlisting">void ipatch_item_remove (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);</pre>
<p>
This function removes an item from its parent container and removes other
references from within the same patch (e.g., a <a
href="../libinstpatch/IpatchSF2Sample.html"
><span class="type">IpatchSF2Sample</span></a>
will be removed from its parent <a
href="../libinstpatch/IpatchSF2.html"
><span class="type">IpatchSF2</span></a> and all <a
href="../libinstpatch/IpatchSF2IZone.html"
><span class="type">IpatchSF2IZone</span></a> objects
referencing the sample will also be removed).</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item to remove
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_changed ()">
<a name="ipatch-item-changed"></a><h3>ipatch_item_changed ()</h3>
<pre class="programlisting">void ipatch_item_changed (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);</pre>
<p>
This function should be called when an item's saveable state (what ends
up in a patch file) has changed. Causes the <em class="parameter"><code>item</code></em> object's base parent
to have its changed flag set, indicating that the file has changes that
have not been saved. Note that this function is automatically called when
an <a
href="../libinstpatch/IpatchItem.html#ipatch-item-prop-notify"
><code class="function">ipatch_item_prop_notify()</code></a> occurs for a property without the
<span class="type">IPATCH_PARAM_NO_SAVE_CHANGE</span> flag in its <a
href="http://library.gnome.org/devel/gobject/unstable/gobject-GParamSpec.html#GParamSpec"
><span class="type">GParamSpec</span></a> and therefore this
function should not be called additionally.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item that has changed
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_get_property_fast ()">
<a name="ipatch-item-get-property-fast"></a><h3>ipatch_item_get_property_fast ()</h3>
<pre class="programlisting">void ipatch_item_get_property_fast (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-GParamSpec.html#GParamSpec"
>GParamSpec</a> *pspec,
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Generic-values.html#GValue"
>GValue</a> *value);</pre>
<p>
Usually only used by <a
href="../libinstpatch/IpatchItem.html"
><span class="type">IpatchItem</span></a> implementations. A faster way to retrieve
an object property. Often used for fetching current value for property
notifies. Notice that this function currently doesn't work with interface
or class overridden properties.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item to get property value from
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pspec</code></em> :</span></p></td>
<td> Parameter spec of property to get
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>value</code></em> :</span></p></td>
<td> Uninitialized caller supplied value to store the current value in.
Remember to call g_value_unset when done with it.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_copy ()">
<a name="ipatch-item-copy"></a><h3>ipatch_item_copy ()</h3>
<pre class="programlisting">void ipatch_item_copy (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *dest,
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *src);</pre>
<p>
Copy an item using the item class' "copy" method. Object links are
copied as is, meaning the resulting object is a local object to the same
<a
href="../libinstpatch/IpatchBase.html"
><span class="type">IpatchBase</span></a>.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>dest</code></em> :</span></p></td>
<td> New destination item to copy to (should be same type or derived
from <em class="parameter"><code>src</code></em> type)
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>src</code></em> :</span></p></td>
<td> Item to copy from
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_copy_link_func ()">
<a name="ipatch-item-copy-link-func"></a><h3>ipatch_item_copy_link_func ()</h3>
<pre class="programlisting">void ipatch_item_copy_link_func (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *dest,
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *src,
<a
href="../libinstpatch/IpatchItem.html#IpatchItemCopyLinkFunc"
>IpatchItemCopyLinkFunc</a> link_func,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);</pre>
<p>
Copy an item using the item class' "copy" method. Like <a
href="../libinstpatch/IpatchItem.html#ipatch-item-copy"
><code class="function">ipatch_item_copy()</code></a>
but takes a <em class="parameter"><code>link_func</code></em> which can be used for handling replication of
externally linked objects (recursively deep duplicate for example, although
there is <a
href="../libinstpatch/IpatchItem.html#ipatch-item-duplicate-deep"
><code class="function">ipatch_item_duplicate_deep()</code></a> specifically for that).</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>dest</code></em> :</span></p></td>
<td> New destination item to copy to (should be same type or derived
from <em class="parameter"><code>src</code></em> type)
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>src</code></em> :</span></p></td>
<td> Item to copy from
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>link_func</code></em> :</span></p></td>
<td> Function to call for each object link pointer in <em class="parameter"><code>src</code></em>. This
function can alter the copied link if desired.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td> User defined data to pass to <em class="parameter"><code>link_func</code></em>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_copy_replace ()">
<a name="ipatch-item-copy-replace"></a><h3>ipatch_item_copy_replace ()</h3>
<pre class="programlisting">void ipatch_item_copy_replace (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *dest,
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *src,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Hash-Tables.html#GHashTable"
>GHashTable</a> *repl_hash);</pre>
<p>
Like <a
href="../libinstpatch/IpatchItem.html#ipatch-item-copy"
><code class="function">ipatch_item_copy()</code></a> but takes a link replacement hash, which can be
used for substituting different objects for object links. See
<a
href="../libinstpatch/IpatchItem.html#ipatch-item-copy-link-func"
><code class="function">ipatch_item_copy_link_func()</code></a> if even more flexibility is desired.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>dest</code></em> :</span></p></td>
<td> New destination item to copy to (should be same type or derived
from <em class="parameter"><code>src</code></em> type)
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>src</code></em> :</span></p></td>
<td> Item to copy from
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>repl_hash</code></em> :</span></p></td>
<td> Hash of link pointer substitutions. The original link pointer
is the hash key, and the hash value is the replacement pointer.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_duplicate ()">
<a name="ipatch-item-duplicate"></a><h3>ipatch_item_duplicate ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * ipatch_item_duplicate (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);</pre>
<p>
A convenience function to duplicate an item. Like <a
href="../libinstpatch/IpatchItem.html#ipatch-item-copy"
><code class="function">ipatch_item_copy()</code></a> but
creates a new duplicate item, rather than using an existing item. Note
that externally linked objects are not duplicated for non <a
href="../libinstpatch/IpatchBase.html"
><span class="type">IpatchBase</span></a>
derived types, making the item local to the same <a
href="../libinstpatch/IpatchBase.html"
><span class="type">IpatchBase</span></a> object.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item to duplicate
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> New duplicate item. Caller owns the reference to the new item.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_duplicate_link_func ()">
<a name="ipatch-item-duplicate-link-func"></a><h3>ipatch_item_duplicate_link_func ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * ipatch_item_duplicate_link_func (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="../libinstpatch/IpatchItem.html#IpatchItemCopyLinkFunc"
>IpatchItemCopyLinkFunc</a> link_func,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);</pre>
<p>
Like <a
href="../libinstpatch/IpatchItem.html#ipatch-item-copy-link-func"
><code class="function">ipatch_item_copy_link_func()</code></a> but duplicates the item instead of
copying to an existing item.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item to duplicate
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>link_func</code></em> :</span></p></td>
<td> Function to call for each object link pointer in <em class="parameter"><code>item</code></em>. This
function can alter the copied link if desired.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td> User defined data to pass to <em class="parameter"><code>link_func</code></em>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> New duplicate item. Caller owns the reference to the new item.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_duplicate_replace ()">
<a name="ipatch-item-duplicate-replace"></a><h3>ipatch_item_duplicate_replace ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * ipatch_item_duplicate_replace (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Hash-Tables.html#GHashTable"
>GHashTable</a> *repl_hash);</pre>
<p>
Like <a
href="../libinstpatch/IpatchItem.html#ipatch-item-copy-replace"
><code class="function">ipatch_item_copy_replace()</code></a> but duplicates the item instead of
copying it to an already created item.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item to duplicate
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>repl_hash</code></em> :</span></p></td>
<td> Hash of link pointer substitutions. The original link pointer
is the hash key, and the hash value is the replacement pointer.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> New duplicate item. Caller owns the reference to the new item.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_duplicate_deep ()">
<a name="ipatch-item-duplicate-deep"></a><h3>ipatch_item_duplicate_deep ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchList.html"
>IpatchList</a> * ipatch_item_duplicate_deep (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);</pre>
<p>
Recursively duplicate an item (i.e., its dependencies also).</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item to deep duplicate
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> List of duplicated <em class="parameter"><code>item</code></em> and dependencies (duplicated <em class="parameter"><code>item</code></em> is the
first in the list). List object is owned by the caller and should be
unreferenced when finished using it.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_copy_link_func_deep ()">
<a name="ipatch-item-copy-link-func-deep"></a><h3>ipatch_item_copy_link_func_deep ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * ipatch_item_copy_link_func_deep (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *link,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);</pre>
</div>
<hr>
<div class="refsect2" title="ipatch_item_copy_link_func_hash ()">
<a name="ipatch-item-copy-link-func-hash"></a><h3>ipatch_item_copy_link_func_hash ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * ipatch_item_copy_link_func_hash (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *link,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);</pre>
<p>
A predefined <a
href="../libinstpatch/IpatchItem.html#IpatchItemCopyLinkFunc"
><span class="type">IpatchItemCopyLinkFunc</span></a> which takes a hash for the <em class="parameter"><code>user_data</code></em>
component, which is used for replacing link pointers. <em class="parameter"><code>link</code></em> is used as the
hash key, the hash value is used in its place if present otherwise <em class="parameter"><code>link</code></em> is
used unchanged.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item which is being linked (contains a reference to <em class="parameter"><code>link</code></em>).
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>link</code></em> :</span></p></td>
<td> The item being referenced.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td> User data supplied to copy/duplicate function.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> Value in hash (<em class="parameter"><code>user_data</code></em>) if <em class="parameter"><code>link</code></em> is present in hash, or <em class="parameter"><code>link</code></em>
itself if not.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_type_can_conflict ()">
<a name="ipatch-item-type-can-conflict"></a><h3>ipatch_item_type_can_conflict ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"
>gboolean</a> ipatch_item_type_can_conflict (<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GType"
>GType</a> item_type);</pre>
<p>
Test if a given <a
href="../libinstpatch/IpatchItem.html"
><span class="type">IpatchItem</span></a> derived type can conflict with another item
(only applies to items of the same type in the same <a
href="../libinstpatch/IpatchBase.html"
><span class="type">IpatchBase</span></a> object).</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item_type</code></em> :</span></p></td>
<td> Type to test
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">TRUE</code> if <em class="parameter"><code>item_type</code></em> can conflict (has properties which should be
unique among its siblings), <code class="literal">FALSE</code> otherwise.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_type_get_unique_specs ()">
<a name="ipatch-item-type-get-unique-specs"></a><h3>ipatch_item_type_get_unique_specs ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/gobject/unstable/gobject-GParamSpec.html#GParamSpec"
>GParamSpec</a> ** ipatch_item_type_get_unique_specs (<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GType"
>GType</a> item_type,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint32"
>guint32</a> *groups);</pre>
<p>
Get the list of unique parameter specs which can conflict for a given
item type.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item_type</code></em> :</span></p></td>
<td> Type to get unique parameter specs for
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>groups</code></em> :</span></p></td>
<td> Location to store an integer describing groups. Each bit
corresponds to a GParamSpec in the returned array. GParamSpecs of the
same group will have the same bit value (0 or 1) and be consecutive.
Unique properties in the same group must all match (logic AND) for a
conflict to occur. Pass <code class="literal">NULL</code> to ignore.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <code class="literal">NULL</code> terminated list of parameter specs or <code class="literal">NULL</code> if <em class="parameter"><code>item_type</code></em>
can never conflict. The returned array is internal and should not be
modified or freed.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_get_unique_props ()">
<a name="ipatch-item-get-unique-props"></a><h3>ipatch_item_get_unique_props ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Value-arrays.html#GValueArray"
>GValueArray</a> * ipatch_item_get_unique_props (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item);</pre>
<p>
Get the values of the unique properties for <em class="parameter"><code>item</code></em>. This is useful when
doing conflict detection processing and more flexibility is desired than
with <a
href="../libinstpatch/IpatchItem.html#ipatch-item-test-conflict"
><code class="function">ipatch_item_test_conflict()</code></a>.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item to get unique properties of
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> GValueArray of the unique property values of <em class="parameter"><code>item</code></em> in the same
order as the parameter specs returned by <a
href="../libinstpatch/IpatchItem.html#ipatch-item-type-get-unique-specs"
><code class="function">ipatch_item_type_get_unique_specs()</code></a>.
<code class="literal">NULL</code> is returned if <em class="parameter"><code>item</code></em> doesn't have any unique properties.
Use <a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Value-arrays.html#g-value-array-free"
><code class="function">g_value_array_free()</code></a> to free the array when finished using it.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_test_conflict ()">
<a name="ipatch-item-test-conflict"></a><h3>ipatch_item_test_conflict ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> ipatch_item_test_conflict (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item1,
<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item2);</pre>
<p>
Test if two items would conflict if they were siblings (doesn't actually
test if they are siblings).</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item1</code></em> :</span></p></td>
<td> First item to test
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>item2</code></em> :</span></p></td>
<td> Second item to test
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> Flags of unique properties which conflict. The bit index
corresponds to the parameter index in the array returned by
<a
href="../libinstpatch/IpatchItem.html#ipatch-item-type-get-unique-specs"
><code class="function">ipatch_item_type_get_unique_specs()</code></a>. 0 is returned if the items do not
conflict.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_set_atomic ()">
<a name="ipatch-item-set-atomic"></a><h3>ipatch_item_set_atomic ()</h3>
<pre class="programlisting">void ipatch_item_set_atomic (<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> item,
const char *first_property_name,
...);</pre>
<p>
Sets properties on a patch item atomically (i.e. item is
multi-thread locked while all properties are set). This avoids
critical parameter sync problems when multiple threads are
accessing the same item. See <a
href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#g-object-set"
><code class="function">g_object_set()</code></a> for more information on
setting properties.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> IpatchItem derived object to set properties of
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>first_property_name</code></em> :</span></p></td>
<td> Name of first property
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
<td> Variable list of arguments that should start with the value to
set <em class="parameter"><code>first_property_name</code></em> to, followed by property name/value pairs. List is
terminated with a <code class="literal">NULL</code> property name.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_get_atomic ()">
<a name="ipatch-item-get-atomic"></a><h3>ipatch_item_get_atomic ()</h3>
<pre class="programlisting">void ipatch_item_get_atomic (<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> item,
const char *first_property_name,
...);</pre>
<p>
Gets properties from a patch item atomically (i.e. item is
multi-thread locked while all properties are retrieved). This
avoids critical parameter sync problems when multiple threads are
accessing the same item. See <a
href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#g-object-get"
><code class="function">g_object_get()</code></a> for more information on
getting properties.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> IpatchItem derived object to get properties from
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>first_property_name</code></em> :</span></p></td>
<td> Name of first property
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td>
<td> Variable list of arguments that should start with a
pointer to store the value from <em class="parameter"><code>first_property_name</code></em>, followed by
property name/value pointer pairs. List is terminated with a <code class="literal">NULL</code>
property name.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_first ()">
<a name="ipatch-item-first"></a><h3>ipatch_item_first ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * ipatch_item_first (<a
href="../libinstpatch/libinstpatch-IpatchIter.html#IpatchIter"
>IpatchIter</a> *iter);</pre>
<p>
Gets the first item in a patch item iterator. A convenience wrapper for
<a
href="../libinstpatch/libinstpatch-IpatchIter.html#ipatch-iter-first"
><code class="function">ipatch_iter_first()</code></a>.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>iter</code></em> :</span></p></td>
<td> Patch item iterator containing <a
href="../libinstpatch/IpatchItem.html"
><span class="type">IpatchItem</span></a> items
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The first item in <em class="parameter"><code>iter</code></em> or <code class="literal">NULL</code> if empty.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_next ()">
<a name="ipatch-item-next"></a><h3>ipatch_item_next ()</h3>
<pre class="programlisting"><a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> * ipatch_item_next (<a
href="../libinstpatch/libinstpatch-IpatchIter.html#IpatchIter"
>IpatchIter</a> *iter);</pre>
<p>
Gets the next item in a patch item iterator. A convenience wrapper for
<a
href="../libinstpatch/libinstpatch-IpatchIter.html#ipatch-iter-next"
><code class="function">ipatch_iter_next()</code></a>.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>iter</code></em> :</span></p></td>
<td> Patch item iterator containing <a
href="../libinstpatch/IpatchItem.html"
><span class="type">IpatchItem</span></a> items
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The next item in <em class="parameter"><code>iter</code></em> or <code class="literal">NULL</code> if no more items.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_prop_notify ()">
<a name="ipatch-item-prop-notify"></a><h3>ipatch_item_prop_notify ()</h3>
<pre class="programlisting">void ipatch_item_prop_notify (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-GParamSpec.html#GParamSpec"
>GParamSpec</a> *pspec,
const <a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Generic-values.html#GValue"
>GValue</a> *new_value,
const <a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Generic-values.html#GValue"
>GValue</a> *old_value);</pre>
<p>
Usually only used by <a
href="../libinstpatch/IpatchItem.html"
><span class="type">IpatchItem</span></a> object implementations, rather
than explicitly called by the user. It should be called AFTER item
property changes that occur outside of the <a
href="../libinstpatch/IpatchItem.html"
><span class="type">IpatchItem</span></a>
<em class="structfield"><code>item_set_property</code></em> method.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item whose property changed
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pspec</code></em> :</span></p></td>
<td> Parameter specification for <em class="parameter"><code>item</code></em> of parameter that changed
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>new_value</code></em> :</span></p></td>
<td> The new value that was assigned
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>old_value</code></em> :</span></p></td>
<td> Old value that property had (can be <code class="literal">NULL</code> for read only props)
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_prop_notify_by_name ()">
<a name="ipatch-item-prop-notify-by-name"></a><h3>ipatch_item_prop_notify_by_name ()</h3>
<pre class="programlisting">void ipatch_item_prop_notify_by_name (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
const char *prop_name,
const <a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Generic-values.html#GValue"
>GValue</a> *new_value,
const <a
href="http://library.gnome.org/devel/gobject/unstable/gobject-Generic-values.html#GValue"
>GValue</a> *old_value);</pre>
<p>
Usually only used by <a
href="../libinstpatch/IpatchItem.html"
><span class="type">IpatchItem</span></a> object implementations, rather
than explicitly called by the user. Like <a
href="../libinstpatch/IpatchItem.html#ipatch-item-prop-notify"
><code class="function">ipatch_item_prop_notify()</code></a>
except takes a property name instead of a parameter spec, for
added convenience.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> Item whose property changed
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>prop_name</code></em> :</span></p></td>
<td> Name of property that changed
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>new_value</code></em> :</span></p></td>
<td> The new value that was assigned
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>old_value</code></em> :</span></p></td>
<td> Old value that property had (can be <code class="literal">NULL</code> for read only
properties)
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_prop_connect ()">
<a name="ipatch-item-prop-connect"></a><h3>ipatch_item_prop_connect ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> ipatch_item_prop_connect (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-GParamSpec.html#GParamSpec"
>GParamSpec</a> *pspec,
<a
href="../libinstpatch/IpatchItem.html#IpatchItemPropCallback"
>IpatchItemPropCallback</a> callback,
<a
href="../libinstpatch/IpatchItem.html#IpatchItemPropDisconnect"
>IpatchItemPropDisconnect</a> disconnect,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);</pre>
<p>
Connect a callback for a specific <a
href="../libinstpatch/IpatchItem.html"
><span class="type">IpatchItem</span></a> and property. If a property
change occurs for the given <em class="parameter"><code>item</code></em> and <em class="parameter"><code>pspec</code></em> then the callback is
invoked. The parameters <em class="parameter"><code>item</code></em> and/or <em class="parameter"><code>pspec</code></em> may be <code class="literal">NULL</code> for wild card
matching (if both are <code class="literal">NULL</code> then callback will be called for all <a
href="../libinstpatch/IpatchItem.html"
><span class="type">IpatchItem</span></a>
property changes).</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> IpatchItem to match (or <code class="literal">NULL</code> for wildcard)
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pspec</code></em> :</span></p></td>
<td> Property parameter specification to match (or <code class="literal">NULL</code> for wildcard)
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td> Callback function
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>disconnect</code></em> :</span></p></td>
<td> Callback disconnect function (called when the callback is
disconnected) can be NULL.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td> User defined data to pass to <em class="parameter"><code>callback</code></em> and <em class="parameter"><code>disconnect</code></em> function.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> Unique handler ID which can be used to remove the handler or 0 on
error (only when function params are incorrect).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_prop_connect_by_name ()">
<a name="ipatch-item-prop-connect-by-name"></a><h3>ipatch_item_prop_connect_by_name ()</h3>
<pre class="programlisting"><a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> ipatch_item_prop_connect_by_name (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
const char *prop_name,
<a
href="../libinstpatch/IpatchItem.html#IpatchItemPropCallback"
>IpatchItemPropCallback</a> callback,
<a
href="../libinstpatch/IpatchItem.html#IpatchItemPropDisconnect"
>IpatchItemPropDisconnect</a> disconnect,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);</pre>
<p>
Like <code class="function">ipatch_item_prop_add_callback()</code> but takes the name of a property\
instead of the parameter spec, for added convenience.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> IpatchItem to match (or <code class="literal">NULL</code> for wildcard)
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>prop_name</code></em> :</span></p></td>
<td> Name of property of <em class="parameter"><code>item</code></em> to match
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td> Callback function
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>disconnect</code></em> :</span></p></td>
<td> Callback disconnect function (called when the callback is
disconnect) can be NULL.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td> User defined data to pass to <em class="parameter"><code>callback</code></em> and <em class="parameter"><code>disconnect</code></em> function.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> Unique handler ID which can be used to remove the handler or 0 on
error (only when function params are incorrect).
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_prop_disconnect ()">
<a name="ipatch-item-prop-disconnect"></a><h3>ipatch_item_prop_disconnect ()</h3>
<pre class="programlisting">void ipatch_item_prop_disconnect (<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> handler_id);</pre>
<p>
Disconnects an <a
href="../libinstpatch/IpatchItem.html"
><span class="type">IpatchItem</span></a> property change callback handler by its ID.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>handler_id</code></em> :</span></p></td>
<td> Handler ID as returned from <a
href="../libinstpatch/IpatchItem.html#ipatch-item-prop-connect"
><code class="function">ipatch_item_prop_connect()</code></a>.
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_prop_disconnect_matched ()">
<a name="ipatch-item-prop-disconnect-matched"></a><h3>ipatch_item_prop_disconnect_matched ()</h3>
<pre class="programlisting">void ipatch_item_prop_disconnect_matched (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
<a
href="http://library.gnome.org/devel/gobject/unstable/gobject-GParamSpec.html#GParamSpec"
>GParamSpec</a> *pspec,
<a
href="../libinstpatch/IpatchItem.html#IpatchItemPropCallback"
>IpatchItemPropCallback</a> callback,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);</pre>
<p>
Disconnects first <a
href="../libinstpatch/IpatchItem.html"
><span class="type">IpatchItem</span></a> property change callback matching all the
function parameters.
Note: Only the pointer values of <em class="parameter"><code>item</code></em> and <em class="parameter"><code>pspec</code></em> are used so they don't
actually need to be valid anymore.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> <a
href="../libinstpatch/IpatchItem.html"
><span class="type">IpatchItem</span></a> of handler to match (does not need to be valid)
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pspec</code></em> :</span></p></td>
<td> GParamSpec of handler to match (does not need to be valid)
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td> Callback function to match
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td> User data to match
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="ipatch_item_prop_disconnect_by_name ()">
<a name="ipatch-item-prop-disconnect-by-name"></a><h3>ipatch_item_prop_disconnect_by_name ()</h3>
<pre class="programlisting">void ipatch_item_prop_disconnect_by_name (<a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a> *item,
const char *prop_name,
<a
href="../libinstpatch/IpatchItem.html#IpatchItemPropCallback"
>IpatchItemPropCallback</a> callback,
<a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"
>gpointer</a> user_data);</pre>
<p>
Like <a
href="../libinstpatch/IpatchItem.html#ipatch-item-prop-disconnect-matched"
><code class="function">ipatch_item_prop_disconnect_matched()</code></a> but takes a name of the
property to match instead of a parameter spec, for added convenience.
Note: <em class="parameter"><code>item</code></em> must still be valid (to look up the property), contrary to
<a
href="../libinstpatch/IpatchItem.html#ipatch-item-prop-disconnect-matched"
><code class="function">ipatch_item_prop_disconnect_matched()</code></a>.</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>item</code></em> :</span></p></td>
<td> <a
href="../libinstpatch/IpatchItem.html"
><span class="type">IpatchItem</span></a> of handler to match (NOTE: Must be a valid object!)
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>prop_name</code></em> :</span></p></td>
<td> Name of property of <em class="parameter"><code>item</code></em> to match
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td> Callback function to match
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td> User data to match
</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1" title="Property Details">
<a name="IpatchItem.property-details"></a><h2>Property Details</h2>
<div class="refsect2" title='The "base" property'>
<a name="IpatchItem--base"></a><h3>The <code class="literal">"base"</code> property</h3>
<pre class="programlisting"> "base" <a
href="../libinstpatch/IpatchBase.html"
>IpatchBase</a>* : Read</pre>
<p>Base.</p>
</div>
<hr>
<div class="refsect2" title='The "flags" property'>
<a name="IpatchItem--flags"></a><h3>The <code class="literal">"flags"</code> property</h3>
<pre class="programlisting"> "flags" <a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"
>guint</a> : Read / Write</pre>
<p>Flags.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2" title='The "parent" property'>
<a name="IpatchItem--parent"></a><h3>The <code class="literal">"parent"</code> property</h3>
<pre class="programlisting"> "parent" <a
href="../libinstpatch/IpatchItem.html"
>IpatchItem</a>* : Read / Write</pre>
<p>Parent.</p>
</div>
<hr>
<div class="refsect2" title='The "title" property'>
<a name="IpatchItem--title"></a><h3>The <code class="literal">"title"</code> property</h3>
<pre class="programlisting"> "title" <a
href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"
>gchar</a>* : Read</pre>
<p>Title.</p>
<p>Default value: NULL</p>
</div>
</div>
</div>
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